Bullgear M249 Full CNC Hop Up Chamber Set by BullGear ITW Actually reliable timer detonates on

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Bullgear M249 Full CNC Hop Up Chamber Set by BullGear ITW Actually reliable timer detonates onwww. youtube. com watch This isn't just a replacement CNC hop up for A&K, Cybergun and Classic Army M249. Made out of full metal so it will last longer and give you the edge in accuracy. It is designed for the Prometheus Purple hop up rubber, or other lipless hop up rubbers. Once the barrel is connected to the chamber itself, there is absolutely no wobble at all which increases it's reliability. Modern hop up chambers uses a spinning dial to adjust